IMTI

What building an MCP-powered data platform taught me about why LLMs ignore the instructions you spent months writing.

Moving analytics data from a Zalando-managed PostgreSQL cluster into OpenSearch for full-text search and dashboarding looks simple on paper. In practice, it requires date-windowed reads over JDBC, deterministic document IDs, CronJob scheduling, and Kubernetes secret injection. This article documents the full pattern.

GoReleaser automates building, packaging, and publishing Go binaries. This article covers a complete configuration that adds cryptographic signing with Cosign and software bill of materials (SBOM) generation with Syft. Every artifact your project ships can be verified by consumers as authentic and unmodified.

My daughter called me an “unk” the other day. I’ll take it. If Ralph is the young hotshot running AI in a bash loop until the output converges, I’m the uncle who’s been shipping software long enough to know that “it looks right” and “it works” are not the same thing.

Andrej Karpathy coined “vibe coding” in early 2025: “forget that the code even exists… I ‘Accept All’ always, I don’t read the diffs anymore.” Code becomes disposable, malleable, generated on demand. Karpathy vibe-coded a BPE tokenizer in Rust without deeply knowing Rust. For throwaway projects and weekend experiments, this works.

This article covers advanced JOLT transformations including cardinality, modify operations, wildcards, and chained specifications for complex JSON restructuring.

This article introduces JOLT (JSON to JSON transformation Language) in Apache NiFi, covering the fundamental operations: shift, default, and remove.

This article covers securing Apache NiFi deployments with TLS encryption, authentication providers, and role-based access control, including LDAP, OIDC, and certificate-based authentication.

This article covers deploying Apache NiFi on Kubernetes for production workloads: a clustered deployment with ZooKeeper, persistent storage, and proper ingress handling.

This final article in the series covers high-performance computing techniques for linear algebra in Go: BLAS/LAPACK integration, parallel operations, memory optimization, and benchmarking.

This article implements neural network foundations in Go using gonum: a perceptron, forward propagation, and backpropagation from scratch.

This article implements Principal Component Analysis (PCA) from scratch in Go using gonum, covering both the covariance matrix and SVD approaches.

This article demonstrates building a regression library in Go from scratch using gonum: ordinary least squares, ridge regression, and cross-validation.

This article covers statistics and data analysis in Go using gonum/stat and gonum/mat: descriptive statistics, covariance matrices, and correlation analysis.

This article covers Singular Value Decomposition (SVD) and related matrix decompositions in Go. SVD is fundamental to many applications including dimensionality reduction, pseudoinverse computation, and low-rank approximation.

This article covers eigenvalue problems in Go using the gonum library. Eigenvalues and eigenvectors are fundamental to many algorithms including PCA, spectral clustering, and dynamical systems analysis.

This article covers solving linear systems in Go using the gonum library, including direct methods with mat.Solve, LU decomposition, and Cholesky decomposition for positive-definite matrices.

This article covers matrix fundamentals in Go using the gonum library: matrix creation, basic arithmetic operations, and common matrix manipulations.

This article covers practical machine learning applications, the final part of the series. I’ll show how the linear algebra concepts from previous articles apply to neural networks, gradient computation, and efficient vectorized operations.

This article covers Principal Component Analysis (PCA), part eleven of the series. PCA is one of the most widely used techniques for dimensionality reduction, data visualization, and feature extraction in machine learning.